body {
  background-color: #f4f4f4;
}

.card {
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#previewContainer {
  gap: 10px;
  justify-content: center;
}

.segment-preview {
  border: 1px solid #ddd;
  max-width: 200px;
  margin: 5px;
}